What type of system provides water supply primarily for firefighting purposes?

The correct answer, Fire Line, refers specifically to a system designed to deliver a reliable and adequate water supply primarily for firefighting purposes. This type of dedicated line allows for immediate access to water in the event of a fire emergency, ensuring that firefighters can effectively manage and combat the blaze without delay.

A Fire Line is typically separate from the regular potable water supply system to maintain the integrity and quality of drinking water. It is constructed to handle the high demands placed on it during a fire incident, with appropriate specifications to accommodate hydrants, sprinklers, and other fire suppression systems.

In contrast, the other options do not primarily focus on firefighting. An Emergency Water Line may suggest a broader function for various emergency situations, while a Safety Hose System and Fire Safety Water System may exist for specific safety functions but do not uniquely identify a firefighting water supply. Thus, the designation of Fire Line is clear and specific, making it the appropriate choice for systems intended to support firefighting efforts.